tls.h

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/*
 * Copyright (c) 2015-2016, Texas Instruments Incorporated
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * *  Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * *  Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * *  Neither the name of Texas Instruments Incorporated nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef ti_net_TLS__include
#define ti_net_TLS__include

#ifdef __cpluplus
extern "C" {
#endif

#include <stdint.h>

#define TLS_CERT_ROOT          "/ti_net_tls"
#define TLS_CA_FILENAME        "/ca.der"
#define TLS_CERT_FILENAME      "/cert.der"
#define TLS_KEY_FILENAME       "/key.der"
#define TLS_DHKEY_FILENAME     "/dhkey.der"
#define TLS_CA_FILENAME_PEM    "/ca.pem"
#define TLS_CERT_FILENAME_PEM  "/cert.pem"
#define TLS_KEY_FILENAME_PEM   "/key.pem"
#define TLS_DHKEY_FILENAME_PEM "/dhkey.pem"

typedef enum TLS_Method {
   TLS_METHOD_CLIENT_TLSV1 = 1, 
   TLS_METHOD_CLIENT_TLSV1_1,   
   TLS_METHOD_CLIENT_TLSV1_2,   
   TLS_METHOD_SERVER_TLSV1,     
   TLS_METHOD_SERVER_TLSV1_1,   
   TLS_METHOD_SERVER_TLSV1_2,   
} TLS_Method;
typedef struct TLS_Params {
    uint8_t   *ca;      
    uint32_t  calen;    
    uint8_t   *cert;    
    uint32_t  certlen;  
    uint8_t   *key;     
    uint32_t  keylen;   
    uint8_t   *dhkey;   
    uint32_t  dhkeylen; 
} TLS_Params;
typedef void *TLS_Handle;

extern void TLS_Params_init(TLS_Params *params);

/* This function is not thread safe */
extern TLS_Handle TLS_create(TLS_Method method, TLS_Params *params,
        char *certDir);

extern void TLS_delete(TLS_Handle *tls);

#ifdef __cplusplus
}
#endif
#endif